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� 3 <br /> PUBLIC '14EALTH SERVYCES o' urN <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer .. <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> MR CHUCK ALTREE <br /> LIE18527NEASTFIED MAIN$CHOOL STREETDISTRICT AUGt2 2 V14 <br /> LINDEN CA 95236 <br /> Re: Waterloo Elementary School Site Code: 1710 <br /> 7407 Pezzi Rd. <br /> San Joaquin County, Environmental Health Division (PHS/EHD) has reviewed <br /> activities to date at the above site and the letter submitted to Michael Collins, <br /> RENS, by Chuck Altree. This letter was undated and received by PHS/EHD on August <br /> 11, 1994. <br /> The letter requested that the existing well on this site (drinking water well) <br /> be used for the purpose of monitoring potential contamination to the groundwater <br /> in the area., <br /> As per telephone conversation between Chuck Altree and Michael Collins, RENS, <br /> this domestic well could not adequately serve this purpose. This well,which is <br /> approximately 120 yards from the former tank pit,is not close enough, and not <br /> constructed for this purpose. <br /> As directed in the letter from PHS/EHD to Mr. Frank Hubbart of the Linden Unified <br /> School District, dated April 27, 1993, a groundwater investigation is required <br /> due to the fact that notable soil contamination has been documented below 80 <br /> feet. Seasonal high groundwater is 85 feet below ground surface according to <br /> "San Joaquin Flood Control Hap" (Spring 1986) . <br /> As per phone conversation with Chuck Altree and Michael Collins, RENS, on April <br /> 7, 1994, the groundwater investigation may begin with the construction of one <br /> monitoring well. This well may be constructed in the former tank pit or in a <br /> verified downgradient position. <br /> A workplan shall be submitted to PHS/EHD by October 14, 1994, for monitoring well <br /> construction. <br /> If there are any questions, please contact Michael Collins, REHS, at 209-468- <br /> 0338. <br /> Donna Heran, RENS, Director <br /> Environmenta,l H alth Division <br /> i�` r t <br /> 'chae Collins, REHS Diane M. Hinson, RENS <br /> Site Mitigation Unit Supervisor <br /> MC <br /> A Di%Won of San Joaquin County Health Care Services <br />